In this next adventure, George and Gracie travel back in time to Hershey, Pennsylvania--1907. Their mission: to return an antique rug and rescue their parents. When the time machine lands them smack dab in the middle of a barn, George turns into . . . something pretty weird. And Gracie drives a car into a fence. They meet Milton Hershey, the chocolate king, who invites them to be his chocolate tasters. But when George and Gracie discover a plot to...